Note 3 - Revenue by Geographic Region (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
UNITED STATES
Net Sales (a):
Revenue, Net	[1]	$ 84,687	$ 84,715	$ 170,612	$ 163,140
CANADA
Net Sales (a):
Revenue, Net	[1]				41
Revenue, Net	[1]	$ 84,687	$ 84,715	$ 170,612	$ 163,181

[1] Net sales are attributed to geographic areas based upon the location of the operation making the sale.